From 76177aa280494bb36d7a0bcbda1078d4db717020 Mon Sep 17 00:00:00 2001 From: Ali Labbene Date: Mon, 9 Dec 2019 11:25:19 +0100 Subject: Official ARM version: v4.5 --- .../DSP/html/group__group_transforms.html | 262 +++++++++++++++++++++ 1 file changed, 262 insertions(+) create mode 100644 Documentation/DSP/html/group__group_transforms.html (limited to 'Documentation/DSP/html/group__group_transforms.html') diff --git a/Documentation/DSP/html/group__group_transforms.html b/Documentation/DSP/html/group__group_transforms.html new file mode 100644 index 0000000..b61a936 --- /dev/null +++ b/Documentation/DSP/html/group__group_transforms.html @@ -0,0 +1,262 @@ + + + + + +Transform Functions +CMSIS-DSP: Transform Functions + + + + + + + + + + + + + + + +
+
+ + + + + + + +
+
CMSIS-DSP +  Version 1.4.7 +
+
CMSIS DSP Software Library
+
+
+ +
+
    + +
+
+ + + +
+
+ +
+
+
+ +
+ + + + +
+ +
+ +
+
+Content | +Functions
+
+
Transform Functions
+
+
+ + + + + + + + + + + + + + +

+Content

 Complex FFT Functions
 
 Radix-8 Complex FFT Functions
 
 DCT Type IV Functions
 
 Real FFT Functions
 
 Complex FFT Tables
 
 RealFFT
 
+ + + + + + +

+Functions

void arm_radix4_butterfly_f32 (float32_t *pSrc, uint16_t fftLen, float32_t *pCoef, uint16_t twidCoefModifier)
 
void arm_split_rfft_f32 (float32_t *pSrc, uint32_t fftLen, float32_t *pATable, float32_t *pBTable, float32_t *pDst, uint32_t modifier)
 Core Real FFT process.
 
+

Description

+

Function Documentation

+ +
+
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
void arm_radix4_butterfly_f32 (float32_t * pSrc,
uint16_t fftLen,
float32_t * pCoef,
uint16_t twidCoefModifier 
)
+
+ +

Referenced by arm_cfft_radix4_f32(), and arm_rfft_f32().

+ +
+
+ +
+
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
void arm_split_rfft_f32 (float32_t * pSrc,
uint32_t fftLen,
float32_t * pATable,
float32_t * pBTable,
float32_t * pDst,
uint32_t modifier 
)
+
+

end of RealFFT group

+
Parameters
+ + + + + + + +
[in]*pSrcpoints to the input buffer.
[in]fftLenlength of FFT.
[in]*pATablepoints to the twiddle Coef A buffer.
[in]*pBTablepoints to the twiddle Coef B buffer.
[out]*pDstpoints to the output buffer.
[in]modifiertwiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+
+
+
Returns
none.
+ +

Referenced by arm_rfft_f32().

+ +
+
+
+
+ + + + -- cgit